Update NEXT_CHANGELOG.md

Co-authored-by: Parth Bansal <parth.bansal@databricks.com>

Author: tanmay-db

NEXT_CHANGELOG.md

@@ -36,4 +36,4 @@
 * [Breaking] Changed waiter for `workspaceClient.commandExecution().execute()` method.
 * [Breaking] Removed `error`, `status` and `transientStatementId` fields for `com.databricks.sdk.service.dashboards.GenieGenerateDownloadFullQueryResultResponse`.
 * [Breaking] Removed `BALANCED` and `COST_OPTIMIZED` enum values for `com.databricks.sdk.service.jobs.PerformanceTarget`.
-* [Breaking] Removed waiter for `workspaceClient.pipelines().get()` method.
+* [Breaking] Removed `workspaceClient.pipelines().waitGetPipelineRunning()` method.